Stool



FIG. 1 is a top, front and right perspective view of a stool showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front and right perspective view thereof in an alternate compressed position; and,

FIG. 9 is a rear elevation view thereof in an alternate compressed position. 

CLAIM The ornamental design for a stool, as shown and described. 